Lines Matching full:data
15 #include "data.h"
30 void perf_data__close_dir(struct perf_data *data) in perf_data__close_dir() argument
32 close_dir(data->dir.files, data->dir.nr); in perf_data__close_dir()
35 int perf_data__create_dir(struct perf_data *data, int nr) in perf_data__create_dir() argument
40 if (WARN_ON(!data->is_dir)) in perf_data__create_dir()
47 data->dir.version = PERF_DIR_VERSION; in perf_data__create_dir()
48 data->dir.files = files; in perf_data__create_dir()
49 data->dir.nr = nr; in perf_data__create_dir()
54 if (asprintf(&file->path, "%s/data.%d", data->path, i) < 0) in perf_data__create_dir()
71 int perf_data__open_dir(struct perf_data *data) in perf_data__open_dir() argument
79 if (WARN_ON(!data->is_dir)) in perf_data__open_dir()
83 if (WARN_ON(data->dir.version != PERF_DIR_VERSION)) in perf_data__open_dir()
86 dir = opendir(data->path); in perf_data__open_dir()
95 snprintf(path, sizeof(path), "%s/%s", data->path, dent->d_name); in perf_data__open_dir()
99 if (!S_ISREG(st.st_mode) || strncmp(dent->d_name, "data", 4)) in perf_data__open_dir()
126 data->dir.files = files; in perf_data__open_dir()
127 data->dir.nr = nr; in perf_data__open_dir()
135 int perf_data__update_dir(struct perf_data *data) in perf_data__update_dir() argument
139 if (WARN_ON(!data->is_dir)) in perf_data__update_dir()
142 for (i = 0; i < data->dir.nr; i++) { in perf_data__update_dir()
143 struct perf_data_file *file = &data->dir.files[i]; in perf_data__update_dir()
155 static bool check_pipe(struct perf_data *data) in check_pipe() argument
159 int fd = perf_data__is_read(data) ? in check_pipe()
162 if (!data->path) { in check_pipe()
166 if (!strcmp(data->path, "-")) in check_pipe()
171 data->file.fd = fd; in check_pipe()
173 return data->is_pipe = is_pipe; in check_pipe()
176 static int check_backup(struct perf_data *data) in check_backup() argument
180 if (perf_data__is_read(data)) in check_backup()
183 if (!stat(data->path, &st) && st.st_size) { in check_backup()
188 data->path); in check_backup()
192 pr_err("Can't remove old data: %s (%s)\n", in check_backup()
199 if (rename(data->path, oldname)) { in check_backup()
200 pr_err("Can't move data: %s (%s to %s)\n", in check_backup()
202 data->path, oldname); in check_backup()
210 static bool is_dir(struct perf_data *data) in is_dir() argument
214 if (stat(data->path, &st)) in is_dir()
220 static int open_file_read(struct perf_data *data) in open_file_read() argument
226 fd = open(data->file.path, O_RDONLY); in open_file_read()
230 pr_err("failed to open %s: %s", data->file.path, in open_file_read()
232 if (err == ENOENT && !strcmp(data->file.path, "perf.data")) in open_file_read()
241 if (!data->force && st.st_uid && (st.st_uid != geteuid())) { in open_file_read()
243 data->file.path); in open_file_read()
248 pr_info("zero-sized data (%s), nothing to do!\n", in open_file_read()
249 data->file.path); in open_file_read()
253 data->file.size = st.st_size; in open_file_read()
261 static int open_file_write(struct perf_data *data) in open_file_write() argument
266 fd = open(data->file.path, O_CREAT|O_RDWR|O_TRUNC|O_CLOEXEC, in open_file_write()
270 pr_err("failed to open %s : %s\n", data->file.path, in open_file_write()
276 static int open_file(struct perf_data *data) in open_file() argument
280 fd = perf_data__is_read(data) ? in open_file()
281 open_file_read(data) : open_file_write(data); in open_file()
284 zfree(&data->file.path); in open_file()
288 data->file.fd = fd; in open_file()
292 static int open_file_dup(struct perf_data *data) in open_file_dup() argument
294 data->file.path = strdup(data->path); in open_file_dup()
295 if (!data->file.path) in open_file_dup()
298 return open_file(data); in open_file_dup()
301 static int open_dir(struct perf_data *data) in open_dir() argument
306 * So far we open only the header, so we can read the data version and in open_dir()
309 if (asprintf(&data->file.path, "%s/header", data->path) < 0) in open_dir()
312 if (perf_data__is_write(data) && in open_dir()
313 mkdir(data->path, S_IRWXU) < 0) in open_dir()
316 ret = open_file(data); in open_dir()
319 if (ret && perf_data__is_write(data)) in open_dir()
320 rm_rf_perf_data(data->path); in open_dir()
325 int perf_data__open(struct perf_data *data) in perf_data__open() argument
327 if (check_pipe(data)) in perf_data__open()
330 if (!data->path) in perf_data__open()
331 data->path = "perf.data"; in perf_data__open()
333 if (check_backup(data)) in perf_data__open()
336 if (perf_data__is_read(data)) in perf_data__open()
337 data->is_dir = is_dir(data); in perf_data__open()
339 return perf_data__is_dir(data) ? in perf_data__open()
340 open_dir(data) : open_file_dup(data); in perf_data__open()
343 void perf_data__close(struct perf_data *data) in perf_data__close() argument
345 if (perf_data__is_dir(data)) in perf_data__close()
346 perf_data__close_dir(data); in perf_data__close()
348 zfree(&data->file.path); in perf_data__close()
349 close(data->file.fd); in perf_data__close()
358 ssize_t perf_data__write(struct perf_data *data, in perf_data__write() argument
361 return perf_data_file__write(&data->file, buf, size); in perf_data__write()
364 int perf_data__switch(struct perf_data *data, in perf_data__switch() argument
371 if (check_pipe(data)) in perf_data__switch()
373 if (perf_data__is_read(data)) in perf_data__switch()
376 if (asprintf(new_filepath, "%s.%s", data->path, postfix) < 0) in perf_data__switch()
383 if (rename(data->path, *new_filepath)) in perf_data__switch()
384 pr_warning("Failed to rename %s to %s\n", data->path, *new_filepath); in perf_data__switch()
387 close(data->file.fd); in perf_data__switch()
388 ret = perf_data__open(data); in perf_data__switch()
392 if (lseek(data->file.fd, pos, SEEK_SET) == (off_t)-1) { in perf_data__switch()
399 ret = data->file.fd; in perf_data__switch()
404 unsigned long perf_data__size(struct perf_data *data) in perf_data__size() argument
406 u64 size = data->file.size; in perf_data__size()
409 if (!data->is_dir) in perf_data__size()
412 for (i = 0; i < data->dir.nr; i++) { in perf_data__size()
413 struct perf_data_file *file = &data->dir.files[i]; in perf_data__size()